C1 Science Revision Crossword 2026

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Across
  1. 4. A signal that varies continuously
  2. 6. Gas released during photosynthesis
  3. 8. Distance between two consecutive crests or troughs
  4. 10. A wave that can travel through space
  5. 12. A signal represented by ones and zeros
  6. 15. Number of waves passing a point each second
  7. 16. What waves transfer
  8. 17. Maximum displacement from the rest position
  9. 18. Green pigment in plants
Down
  1. 1. The number system used by computers
  2. 2. Process by which plants make food
  3. 3. A disturbance that transfers energy from one place to another
  4. 5. Gas absorbed during photosynthesis
  5. 7. Electromagnetic waves used for communication
  6. 9. Bending of light when it enters a different medium
  7. 11. Material through which a mechanical wave travels
  8. 13. Bouncing of light from a surface
  9. 14. Visible electromagnetic radiation